Anodized seal nose for damper

Details Anodized seal nose for damper Anodized seal nose for damper

F - Mech Eng,Light,Heat,Weapons

16

F

74/279, 277/39

F16F 15/30 (2006.01) B05D 5/00 (2006.01) F16F 15/14 (2006.01)

Patent

CA 1138684

ABSTRACT A hub construction for a torsional vibration damper. The hub is formed of aluminum to obtain the known damper performance advantages of a lower moment of inertia. The hub is coated with a Teflon anodized layer to (1) protect it from oxidation, to (2) prevent the formation of aluminum oxide particles at the elastomer-hub interface. The coating is of a surface roughness of 60 - 70 micro inches, being a roughness in excess of that recommended by seal manufacturers. Unexpectedly, the coating does not injure a seal used with the damper, thus yielding a third advantage.

365029

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